What is CVE-2026-46266?

CVE-2026-46266 is a critical-severity vulnerability in Linux. CVSS score: 9.1/10. Published 2026-06-03.

How severe is CVE-2026-46266?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Linux

CVE-2026-46266

In the Linux kernel, the following vulnerability has been resolved: inet: RAW sockets using IPPROTO_RAW MUST drop incoming ICMP Yizhou Zhao reported that simply having one RAW socket on protocol IPPROTO_RAW (255) was dangerous. socket…

EPSS: 0.003 (26.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

Affected products

Linux — versions 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, 2.6.12, 0
Linux Linux_kernel — versions 2.6.12

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2026-46266?: CVE-2026-46266 is a critical-severity vulnerability in Linux. CVSS score: 9.1/10. Published 2026-06-03.
How severe is CVE-2026-46266?: Critical severity. CVSS v3 base score is 9.1 out of 10.